This calendar is based on an average last frost date of May 20. There should be less than a 10% chance of a frost after this date. Before moving plants outdoors on or around May 20, check the latest weather forecast to see if a frost is likely in the next few days. If the predicted low is under 40° F on any of the next few days, it is best to delay moving plants out until the chance of frost has passed. If a late frost is predicted after tender plants have been planted out, protect them with a layer of paper or cloth (not plastic) draped lightly over the plants. | | Date | | | | February 25 | Broccoli, Cabbage, Parsley | Sow Seed Indoors | | March 15 | Cauliflower, Celery, Onions | Sow Seed Indoors | | March 25 | Cucumber, Swiss Chard | Sow Seed Indoors | | Turnip | Sow Seed Outdoors | | April 1 | Eggplant, Lettuce, Peppers | Sow Seed Indoors | | April 8 | Basil, Tomatoes | Sow Seed Indoors | | Peas, Spinach | Sow Seed Outdoors | | April 15 | Collards | Sow Seed Indoors | | Broccoli, Cabbage, Cauliflower, Collards, Kale, Parsley | Sow Seed Outdoors | | Broccoli, Brussels Sprouts, Cauliflower, Parsley | Transplant Outdoors | | April 22 | Carrots, Kohlrabi, Lettuce, Onions, Potatoes, Radish, Sweet Peas | Sow Seed Outdoors | | Cabbage, Collards, Kale, Kohlrabi, Lettuce, Onions | Transplant Outdoors | | April 29 | Beets, Leek, Swiss Chard | Sow Seed Outdoors | | May 6 | Pumpkins, Summer Squash | Sow Seed Indoors | | Celery | Sow Seed or Transplant Outdoors | | May 20 | Melons, Winter Squash | Sow Seed Indoors | | Corn, Summer Squash | Sow Seed Outdoors | | May 27 | Beans, Eggplant, Sweet Potatoes | Sow Seed Outdoors | | Basil, Cucumber, Tomatoes | Sow Seed or Transplant Outdoors | | Summer Squash, Tomatoes | Transplant Outdoors | | June 3 | Melons, Peppers, Pumpkins, Winter Squash | Sow Seed or Transplant Outdoors | | Eggplant | Transplant Outdoors | | June 17 | Okra | Sow Seed or Transplant Outdoors | | | | |
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